Guide rail



FIG. 1 is a perspective view of a guide rail showing my ornamental design;

FIG. 2 is a right end view of the guide rail shown in FIG. 1;

FIG. 3 is a left end view of the guide rail shown in FIG. 1;

FIG. 4 is a right side view of the guide rail shown in FIG. 1;

FIG. 5 is a left side view of the guide rail shown in FIG. 1;

FIG. 6 is a bottom view of the guide rail shown in FIG. 1; and,

FIG. 7 is a top view of the guide rail shown in FIG. 1. 

The ornamental design for a guide rail, as shown and described. 